Preston; Alan F.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Preston; Alan F..The latest application filed is for "long-chain quaternary ammonium compounds as wood treatment agents".

Company Profile

0.6.5

Preston; Alan F. - Charlotte NC

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Long-chain quaternary ammonium compounds as wood treatment agents Grant 7,993,756 - Jin , et al. August 9, 2	2011-08-09
Emulsion compositions for wood protection Grant 7,850,771 - Cui , et al. December 14, 2	2010-12-14
Methods of incorporating treatment agents into wood based composite products Grant 7,371,787 - Preston , et al. May 13, 2	2008-05-13
Water repellent compositions for wood preservatives Grant 7,264,886 - Cui , et al. September 4, 2	2007-09-04
Long-chain quaternary ammonium compounds as wood treatment agents App 20060251915 - Jin; Lehong ; et al.	2006-11-09
Emulsion compositions for wood protection App 20060057300 - Cui; Futong ; et al.	2006-03-16
Water repellent compositions for wood preservatives App 20050132926 - Cui, Futong ; et al.	2005-06-23
Methods of incorporating treatment agents into wood based composite products App 20040028934 - Preston, Alan F. ; et al.	2004-02-12
Water repellent compositions for wood preservatives App 20040011244 - Cui, Futong ; et al.	2004-01-22
Dimensionally stable wood composites and methods for making them Grant 6,569,540 - Preston , et al. May 27, 2	2003-05-27
Wood treatment process Grant 6,274,199 - Preston , et al. August 14, 2	2001-08-14

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